body {
  font-family: -apple-system, system-ui, BlinkMacSystemFont, 'Segoe UI', Roboto,
    'Helvetica Neue', Arial, sans-serif;
  font-size: 1rem;
  font-weight: normal;
  line-height: 1.75;
  color: #303030;
  background: #f5f5f5;
}
.dd-header {
  position: fixed;
  top: 0;
  z-index: 100;
  width: 100%;
  height: 94px;
}

#logo {
  float: left;
  display: block;
  height: 49px;
  width: 164px;
  margin-top: 15px;
  background: url(../images/duoduo-logo.png) no-repeat left center/108px;
  cursor: pointer;
}
.dd-container {
  position: relative;
}
.dd-container .dd-func .tel {
  margin-left: 20px;
  padding-left: 30px;
  color: #000;
  background: url(../images/tel.png) no-repeat left center;
}
.dd-container .dd-func {
  float: right;
  margin-top: 5px;
}
.dd-container .dd-func ul > li a {
  margin-left: 20px;
}
.dd-container .dd-func .search-btn {
  width: 16px;
  height: 20px;
  display: inline-block;
  line-height: 18px;
  vertical-align: center;
  background: url(../images/search.png) no-repeat center;
}
.dd-container .dd-func .lang-btn {
  width: 16px;
  height: 20px;
  display: inline-block;
  line-height: 18px;
  vertical-align: center;
  background: url(../images/lang.png) no-repeat center;
}
.dd-container .dd-func ul {
  margin: 10px 0;
}
.dd-container .dd-func ul > li {
  position: relative;
  line-height: 20px;
}
.dd-container .dd-func > ul > li:nth-child(3):hover ul {
  display: block;
}
.dd-container .dd-func ul li ul {
  display: none;
}
.dd-container .dd-func ul li ul li {
  line-height: 1;
}
.dd-container .dd-func ul li ul li a {
  color: #000;
  font-size: 14px;
  line-height: 32px;
  padding: 0 20px;
  margin-left: 0;
  display: block;
}
.dd-container .dd-nav {
  position: absolute;
  bottom: 0;
  right: 0;
  float: right;
}
.dd-container .dd-nav > li {
  display: inline-block;
  margin-left: 48px;
  position: static;
  text-align: center;
}
.dd-container .dd-nav > li > a {
  display: block;
  line-height: 48px;
  color: #000;
  opacity: 0.85;
}
/* 
.my_menu {
  display: none;
  height: 100px;
  position: fixed;
  background: white;
  width: 100%;
  left: 0;
  opacity: 0.8;
}
.dd-container .dd-nav li:nth-child(1):hover > ul {
  display: block;
  font-size: 100px;
} */
.dd-container .dd-nav li:hover a {
  color: #e95504;
}
.dd-container .dd-nav > li:nth-child(1):hover .dd-nav-product {
  display: block;
}
.dd-container .dd-nav .dd-nav-product {
  position: fixed;
  display: none;
  width: 100vw;
  box-shadow: 0 5px 20px 0 rgb(0 0 0 / 8%);
  background: rgba(255, 255, 255, 0.85);
  left: 0;
  width: 100%;
  height: 500px;
  white-space: nowrap;
  padding: 10px 20px;
  opacity: 0.85;
}
.dd-container .dd-nav .dd-nav-product > li {
  display: inline-block;
  vertical-align: text-top;
  width: 50%;
  padding: 0;
}
.dd-container .dd-nav .dd-nav-product > li > a {
  color: #000000;
  line-height: 38px;
}
.dd-container .dd-nav .dd-nav-product > li.active {
  color: #ea5404;
  border-bottom: 1px solid #ea5404;
}
.dd-container .dd-nav .dd-nav-product > li.active a {
  color: #ea5404;
}
.dd-container .dd-nav .dd-nav-product > li .nav-product-list {
  position: absolute;
  width: 100%;
  max-width: 1200px;
  left: 50%;
  transform: translateX(-50%);
  margin-top: 10px;
  text-align: left;
  display: flex;
  justify-content: space-around;
}
.dd-container .dd-nav .dd-nav-product > li .nav-product-list > li {
  font-size: 14px;
  vertical-align: text-top;
}
.dd-container .dd-nav .dd-nav-product > li .nav-product-list > li > a {
  display: block;
  color: #000;
  line-height: 38px;
  padding: 0 10px;
}
.dd-container .dd-nav .dd-nav-product > li .nav-product-list > li > ul > li {
  font-size: 14px;
}
.dd-container
  .dd-nav
  .dd-nav-product
  > li
  .nav-product-list
  > li
  > ul
  > li
  > a {
  display: block;
  line-height: 38px;
  padding: 0 10px;
  color: #535353;
}
.dd-title {
  margin-top: 120px;
}
.dd-title > .title {
  margin-bottom: 40px;
  position: relative;
  padding-left: 20px;
  line-height: 1;
  border-left: 1px solid;
  font-weight: normal;
  font-size: 2.25rem;
}
.dd-container > .dd-product-item {
  float: left;
  width: 33.3333%;
  padding: 0 15px;
}

.dd-container > .dd-product-item {
  float: left;
  width: 33.3333%;
}
.dd-container > .dd-product-item .product-item-figure {
  position: relative;
  padding: 0 15px;
  margin: 15px auto;
  background: #ffffff;
  border-radius: 8px;
}
.dd-container > .dd-product-item .product-item-figure img {
  max-width: 100%;
  height: auto;
  width: auto \9;
  vertical-align: middle;
}
.dd-container > .dd-product-item .product-item-figure a {
  color: #000000;
}
.dd-container > .dd-product-item .product-item-figure figcaption {
  height: 48px;
  line-height: 48px;
}
.dd-container > .dd-product-item .product-item-figure figcaption h2 {
  text-align: center;
  font-size: 24px;
  font-weight: normal;
  margin-top: 20px;
  margin-bottom: 1.25rem;
}
